#3A72DA#3A72DA
#3A72DA is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.0% C 0.170 H 261.4°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).
Color values
| HEX | #3A72DA |
|---|---|
| RGB | rgb(58, 114, 218) |
| HSL | hsl(219, 68%, 54%) |
| HSV | hsv(219, 73%, 85%) |
| CMYK | cmyk(73.4%, 47.7%, 0%, 14.5%) |
| CIE-LAB | lab(49.49, 17.15, -58.64) |
| CIE-LCH | lch(49.49, 61.09, 286.30°) |
| OKLab | oklab(57.02% -0.0253 -0.1683) |
| OKLCH | oklch(57.02% 0.17 261.4) |
| XYZ | xyz(20.4126, 17.9939, 68.7134) |
| Luminance | 0.1800 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cerulean Blue
#056EEE
ΔE00 2.57
Cornflower Blue
#5170D7
ΔE00 3.36
Deep Sky Blue
#0D75F8
ΔE00 3.41
Royal Blue
#4169E1
ΔE00 3.92
Windows Blue
#3778BF
ΔE00 4.58
Clear Blue
#247AFD
ΔE00 4.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A72DA #DAA23A
analogous
#3AC2DA #3A72DA #523ADA
triadic
#3A72DA #DA3A72 #72DA3A
tetradic
#3A72DA #DA3AC2 #DAA23A #3ADA52
square
#3A72DA #DA3AC2 #DAA23A #3ADA52
split-complementary
#3A72DA #DA523A #C2DA3A
monochromatic
#183D81 #2255B5 #3A72DA #6E97E4 #A1BCED
Accessibility & contrast
On white
4.57
#3A72DA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.60
#3A72DA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A72DA
4.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A72DA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A72DA | 1.00 | 4.57 | 4.60 | 4.60 |
| #FFFFFF | 4.57 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.60 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.60 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#387DDE
Deuteranopia (green-blind)
#026FD8
Tritanopia (blue-blind)
#008B9B
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #3a72da; /* rgb */ color: rgb(58, 114, 218); /* oklch */ color: oklch(57.0% 0.170 261.4);
Tailwind
colors: {
custom: {
50: '#8599e6',
500: '#3a72da',
950: '#000000',
},
}SCSS
$custom: #3a72da; $custom-light: #8599e6; $custom-dark: #000000;
JSON
{
"hex": "#3a72da",
"rgb": {
"r": 58,
"g": 114,
"b": 218
},
"hsl": {
"h": 219,
"s": 68.376,
"l": 54.118
},
"oklch": {
"l": 0.57021,
"c": 0.17023,
"h": 261.4
},
"luminance": 0.17996
}Semantic roles & 50–950 ramp
primary
#3A72DA
secondary
#DAC296
accent
#AE3DEB
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0D16
muted
#7D7E84